[ncl-talk] ADO + removing title on map plot

zoe jacobs zoejacobs1990 at gmail.com
Mon Sep 9 11:21:26 MDT 2019 

Hi Dennis,
Thanks for your help. I also need to know how to plot a map to have lat/lon
on each axes parallel to each other, like the attached one.
Regards,

On Mon, Sep 9, 2019 at 8:42 PM Dennis Shea <shea at ucar.edu> wrote:

> Zoe:
>
> Attached is a simple script that reads/plot the hdf5  [HDF-EOS] file
> ---
> If you are 'new' to NCL, please look at the excellent DKRZ manual:
>
> *https://www.ncl.ucar.edu/Document/Manuals/NCL_User_Guide/NCL_User_Guide_v1.1_A4.pdf*
> <https://www.ncl.ucar.edu/Document/Manuals/NCL_User_Guide/NCL_User_Guide_v1.1_A4.pdf>
>
> There is no 'magic': all languages [computer and spoken] require the user
> to spend time to learn.
> ---
>
> On Mon, Sep 9, 2019 at 7:56 AM Toni Klemm via ncl-talk <ncl-talk at ucar.edu>
> wrote:
>
>> Hi Zoe,
>>
>> Could you send your new script with the changes I suggested. Although
>> I’ve never worked with HDF data, it should have worked.
>>
>> The file you sent contains the variable
>> Deep_Blue_Aerosol_Optical_Depth_550_Land_Mean, which you are extracting
>> in line 9 of your original code.
>>
>>     short Deep_Blue_Aerosol_Optical_Depth_550_Land_Mean(YDim=180,
>> XDim=360);
>>       :valid_range = 0S, 5000S; // short
>>       :_FillValue = -9999S; // short
>>       :long_name = "Deep blue aerosol optical depth at 0.55 microns for
>> land (corrected): Mean";
>>       :units = "none";
>>       :scale_factor = 0.0010000000474974513; // double
>>       :add_offset = 0.0; // double
>>       :Masked_With_QA_Usefulness_Flag = "True";
>>       :Level_2_Pixel_Values_Read_As = "Real";
>>       :Derived_From_Level_2_Data_Set =
>> "Deep_Blue_Aerosol_Optical_Depth_550_Land";
>>       :Included_Level_2_Nighttime_Data = "False";
>>       :Quality_Assurance_Data_Set = "Quality_Assurance_Land";
>>       :Statistic_Type = "Simple";
>>       :QA_Byte = 4S; // short
>>       :QA_Useful_Flag_Bit = 0S; // short
>>       :QA_Value_Start_Bit = 1S; // short
>>       :QA_Value_Num_Bits = 2S; // short
>>       :Aggregation_Data_Set = "None";
>>
>> The variable has a number of attributes, which you see above, the third
>> of which is long_name. That is what NCL uses to determine the title of
>> your map, unless you tell it something else, for example by setting
>>
>> res at tiMainString = “[your custom map title]"
>>
>> Make sure there is no semicolon in front of res at tiMainString !
>>
>> If it still doesn’t work, please attach your script, and I can take a
>> look what is wrong.
>>
>> Also, check out Panoply (https://www.giss.nasa.gov/tools/panoply/) to
>> view your HDF files and all the metadata and attributes (and netCDF files,
>> too) It’s a great program and has helped me a lot figuring out problems
>> with my data.
>>
>> Good luck,
>> Toni
>>
>>
>>
>> *Toni Klemm, Ph.D.*Postdoctoral Research Associate
>> Department of Ecosystem Science and Management
>> College of Agriculture and Life Sciences
>> Texas A&M University, College Station, TX
>> www.toni-klemm.de | @toniklemm <http://www.twitter.com/toniklemm>
>> Editorial Board member, Early Career Climate Forum
>> <http://www.eccforum.org>
>>
>>
>>
>>
>>
>>
>>
>>
>> On Sep 8, 2019, at 4:03 PM, zoe jacobs <zoejacobs1990 at gmail.com> wrote:
>>
>> Dear Toni,
>> Please check the attached file.
>> Best wishes,
>>  01-01.hdf
>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__drive.google.com_file_d_1JUtlZ7FFggSaPd5IosGMDBOmbF1YcfeN_view-3Fusp-3Ddrive-5Fweb&d=DwMFaQ&c=u6LDEWzohnDQ01ySGnxMzg&r=zmhRVp0i4wZ5_1Ujh0fnRXAExHgKLTQu0rZLW7PxKA4&m=UsnBcgdnIR3NL175E-6P7QWpWE7wKOO9TXnYD8t44QI&s=JyjJcvay9k7mR_eBhQONqhQn2N02piSnWG1cYoF7UDU&e=>
>>
>> On Mon, Sep 9, 2019 at 12:56 AM Toni Klemm <toni-klemm at tamu.edu> wrote:
>>
>>> Could you attach your netCDF file if it’s not too big? Also, please also
>>> respond to ncl-talk at ucar.edu so that the conversation is archived for
>>> future reference.
>>>
>>> Toni
>>>
>>>
>>> *Toni Klemm**, Ph.D.*
>>> Postdoctoral Research Associate
>>> Department of Ecosystem Science and Management
>>> College of Agriculture and Life Sciences
>>> Texas A&M University, College Station, TX
>>> www.toni-klemm.de
>>> <https://urldefense.proofpoint.com/v2/url?u=http-3A__www.toni-2Dklemm.de_&d=DwMFaQ&c=u6LDEWzohnDQ01ySGnxMzg&r=zmhRVp0i4wZ5_1Ujh0fnRXAExHgKLTQu0rZLW7PxKA4&m=UsnBcgdnIR3NL175E-6P7QWpWE7wKOO9TXnYD8t44QI&s=OPWK3YEYM3ciFs1ObreyjdHO1Wkv43QCVjWgI3V2xNQ&e=>
>>>  | @toniklemm
>>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__twitter.com_ToniKlemm&d=DwMFaQ&c=u6LDEWzohnDQ01ySGnxMzg&r=zmhRVp0i4wZ5_1Ujh0fnRXAExHgKLTQu0rZLW7PxKA4&m=UsnBcgdnIR3NL175E-6P7QWpWE7wKOO9TXnYD8t44QI&s=KUlUjvom6bloeTRmtIELV_mWMAA_MVxqyHQhj7_1ca0&e=>
>>> Editorial Board member, Early Career Climate Forum
>>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.eccforum.org_&d=DwMFaQ&c=u6LDEWzohnDQ01ySGnxMzg&r=zmhRVp0i4wZ5_1Ujh0fnRXAExHgKLTQu0rZLW7PxKA4&m=UsnBcgdnIR3NL175E-6P7QWpWE7wKOO9TXnYD8t44QI&s=sRvWLTsJ-deu-64UBXdoeH0NYUaZnYVNNrTmSz9EYzM&e=>
>>>
>>>
>>>
>>>
>>> On Sep 8, 2019, at 3:14 PM, zoe jacobs <zoejacobs1990 at gmail.com> wrote:
>>>
>>> Dear Toni,
>>> Thank you for your advice. But, it did not work. NCL derives the title
>>> automatically from the file and I do not know how!
>>> best wishes,
>>>
>>> On Sun, Sep 8, 2019 at 11:18 PM Toni Klemm <toni-klemm at tamu.edu> wrote:
>>>
>>>> Hi Zoe,
>>>>
>>>> Remove the semicolon at the beginning of this line in your script:
>>>>
>>>> ; res at tiMainString = "Deep blue aerosol optical depth”
>>>>
>>>> and replace that line with:
>>>>
>>>> res at tiMainString = ""
>>>>
>>>> This way the map title should be blank.
>>>>
>>>> As a side note, if no map or plot title is explicitly provided in the
>>>> script, NCL defaults to what is written in the metadata field long_name
>>>> .
>>>>
>>>> Good luck,
>>>> Toni
>>>>
>>>>
>>>> *Toni Klemm**, Ph.D.*
>>>> Postdoctoral Research Associate
>>>> Department of Ecosystem Science and Management
>>>> College of Agriculture and Life Sciences
>>>> Texas A&M University, College Station, TX
>>>> www.toni-klemm.de
>>>> <https://urldefense.proofpoint.com/v2/url?u=http-3A__www.toni-2Dklemm.de_&d=DwMFaQ&c=u6LDEWzohnDQ01ySGnxMzg&r=zmhRVp0i4wZ5_1Ujh0fnRXAExHgKLTQu0rZLW7PxKA4&m=UTWVYnFKZ8Q2Yv4W6_804zllkROE5jc4YQDSxEiV7bo&s=1C0Kr40EBujBrul5R_nhNwVSQ8In7Bb-iTGHTQfEooo&e=>
>>>>  | @toniklemm
>>>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__twitter.com_ToniKlemm&d=DwMFaQ&c=u6LDEWzohnDQ01ySGnxMzg&r=zmhRVp0i4wZ5_1Ujh0fnRXAExHgKLTQu0rZLW7PxKA4&m=UTWVYnFKZ8Q2Yv4W6_804zllkROE5jc4YQDSxEiV7bo&s=Q9Wyvz-XcEd96oXOQz-5kJ8lV2M83wI48IiWXOd3KlI&e=>
>>>> Editorial Board member, Early Career Climate Forum
>>>> <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.eccforum.org_&d=DwMFaQ&c=u6LDEWzohnDQ01ySGnxMzg&r=zmhRVp0i4wZ5_1Ujh0fnRXAExHgKLTQu0rZLW7PxKA4&m=UTWVYnFKZ8Q2Yv4W6_804zllkROE5jc4YQDSxEiV7bo&s=_IMTKMzkAj7om4knQYkX4SPyy_RjKKY6Qa91Ip05V6I&e=>
>>>>
>>>>
>>>>
>>>>
>>>> On Sep 8, 2019, at 1:34 PM, zoe jacobs via ncl-talk <ncl-talk at ucar.edu>
>>>> wrote:
>>>>
>>>> Hi all,
>>>> I have plotted AOD [ Aerosol Optical Depth], from MODIS data (hdf
>>>> file). However, I need to remove the title on my map ( the image attached).
>>>> Would you please give me suggestions on how to remove the title? I also
>>>> attached my script.
>>>> Best wishes,
>>>> <a_modis.png><aod-modis.ncl>
>>>> _______________________________________________
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>>>>
>>>>
>>>>
>>>
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